Finding the Fourth Proportional to 160,750.92, 221,832.50 and 89,130.28
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Solution
The fourth proportional to 160,750.92, 221,832.50 and 89,130.28 is: 122,997.70
Step by Step Solution
- Step 1: Write the proportion equation
160,750.92 : 221,832.50 = 89,130.28 : x - Step 2: Convert to fraction form
160,750.92/221,832.50 = 89,130.28/x - Step 3: Cross multiply
160,750.92x = 221,832.50 × 89,130.28 - Step 4: Simplify right side
160,750.92x = 19,771,992,838.10 - Step 5: Solve for x
x = 19,771,992,838.10/160,750.92 - Step 6: Final answer
x = 122,997.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.